One vertex per element, one color per generator, with an edge from x to x·s.
(2,3)(7,9)(8,10)(14,15)(17,18,23,26)(19,22,25,31)(20,21,24,30)(27,28,29,32)(33,34,39,40)(35,43,37,41)(36,45,46,42)(38,44,48,47)(1,2,6,3)(4,7,12,9)(5,8,13,10)(11,14,16,15)(17,19)(18,22)(20,27)(21,28)(23,25)(24,29)(26,31)(30,32)(34,40)(36,46)(41,43)(44,47)(5,13)(8,10)(11,16)(14,15)(19,25)(22,31)(27,29)(28,32)(33,35,39,37)(34,41,40,43)(36,44,46,47)(38,42,48,45)(1,3,6,2)(4,7,12,9)(5,10,13,8)(11,14,16,15)(17,20)(18,21)(19,27)(22,28)(23,24)(25,29)(26,30)(31,32)(33,36)(34,42)(35,44)(37,47)(38,43)(39,46)(40,45)(41,48)(1,4,6,12)(2,7,3,9)(5,11,13,16)(8,14,10,15)(17,21)(18,24)(19,28)(20,26)(22,29)(23,30)(25,32)(27,31)(33,37,39,35)(34,43,40,41)(36,44,46,47)(38,42,48,45)(1,5,6,13)(2,8,3,10)(4,11,12,16)(7,14,9,15)(17,22,23,31)(18,25,26,19)(20,28,24,32)(21,29,30,27)(33,38,39,48)(34,44,40,47)(35,45,37,42)(36,43,46,41)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.